CN107842406A - Valve body, gas exchange valve and the internal combustion engine of gas exchange valve - Google Patents

Valve body, gas exchange valve and the internal combustion engine of gas exchange valve Download PDF

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Publication number
CN107842406A
CN107842406A CN201710851685.4A CN201710851685A CN107842406A CN 107842406 A CN107842406 A CN 107842406A CN 201710851685 A CN201710851685 A CN 201710851685A CN 107842406 A CN107842406 A CN 107842406A
Authority
CN
China
Prior art keywords
valve
disc part
gas exchange
valve body
valve disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710851685.4A
Other languages
Chinese (zh)
Inventor
G.利策尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAN Energy Solutions SE
Original Assignee
MAN Diesel and Turbo SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAN Diesel and Turbo SE filed Critical MAN Diesel and Turbo SE
Publication of CN107842406A publication Critical patent/CN107842406A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/12—Cooling of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/06—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 specially adapted for star-arrangement of cylinders, e.g. exhaust manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/12—Cooling of valves
    • F01L3/14—Cooling of valves by means of a liquid or solid coolant, e.g. sodium, in a closed chamber in a valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/12—Cooling of valves
    • F01L3/16—Cooling of valves by means of a fluid flowing through or along valve, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/12—Cooling of valves
    • F01L3/16—Cooling of valves by means of a fluid flowing through or along valve, e.g. air
    • F01L3/18—Liquid cooling of valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials
    • F01L2301/02—Using ceramic materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0466—Nickel

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

A kind of valve body (11) of the gas exchange valve (10) of cylinder for internal combustion engine, wherein, valve body (11) can be made to be resisted against on the valve seat (12) of gas exchange valve, to close gas exchange valve, and wherein, in order to open gas exchange valve, valve body (11) can be removed from the valve seat (12) of gas exchange valve.Valve body (11) is formed as multiple parts and the first valve disc part (13) and the second valve disc part (15) including being interacted with valve seat (12), second valve disc part (15) is connected in a fixed manner on the first valve disc part (13) and towards the combustion chamber (16) of cylinder, is at least used for the cavity (17) for cooling down the second valve disc part (15) wherein being formed between the valve disc part (15) of the first valve disc part (13) second.

Description

Valve body, gas exchange valve and the internal combustion engine of gas exchange valve
Technical field
The present invention relates to the valve body of gas exchange valve.Moreover, the present invention relates to the gas exchange valve for internal combustion engine simultaneously It is related to internal combustion engine.
Background technology
Known internal combustion engine includes from practice：Gas exchange valve (that is, entrance side gas exchange valve), filling air via It can be fed into the cylinder of internal combustion engine；With waste side crossover valve, discharge gas can be discharged via it from the cylinder of internal combustion engine.
Each gas exchange valve of internal combustion engine includes valve body, and wherein valve seat interacts with valve body.In the gas of closing In the case of crossover valve, valve body is resisted against on valve seat with the region limited, and in the case of the gas exchange valve of opening, valve The region of body is not against on valve seat.Another region of valve body is towards the combustion chamber of corresponding cylinder.
The valve body of known gas exchange valve is manufactured into entire area and continuously by same material from practice.By The pressure and temperature gradually uprised in the combustion chamber in cylinder, so to the valve body of gas exchange valve on to be avoided The deposition and the requirement for the abrasion to be avoided that burn into be avoided improve.In the case of the known valve body from practice, this is only It only can obtain insufficient guarantee.
The content of the invention
From this starting point, the purpose that the present invention is based on is to create a kind of valve body of new gas exchange valve, tool There are the gas exchange valve of this valve body and the internal combustion engine with this gas exchange valve.
The purpose is realized by valve body according to claim 1.
According to the present invention, valve body is formed as multiple parts, and wherein it includes the first valve disc portion with valve seat interaction Part and the second valve disc part, the second valve disc part are connected in a fixed manner on the first valve disc part and towards the burnings of cylinder Room, and wherein formed between the first valve disc part and the second valve disc part and be at least used for the cavity for cooling down the second valve disc part.
Multiple parts are formed as and including cavity according to the valve body of the present invention.By cavity, the side that can at least limit Formula cools down the valve disc part towards the combustion chamber of cylinder.Moreover, individually valve disc part can be by based in corresponding valve disc part On the corresponding load worked and the material manufacture definitely customized.Due to this point, corrosion, Er Qieke can be not only reduced Efficiently reduce the deposition of valve body and other abrasions.
Preferably, the first valve disc part is formed by the metal material with the first corrosion resistance, and the second valve disc part by Metal material with the second corrosion resistance is formed, wherein compared with the first corrosion resistance, the second corrosion resistance is higher.Towards gas The combustion chamber of cylinder and be especially susceptible to due to acting on load thereon corrosion the second valve disc part on corrosion because And it can efficiently reduce.
According to favourable further improvement, cooling medium, which flows, passes through cavity.Alternatively, cavity is filled cooling and is situated between Matter.Two kinds of alternatives all allow at least in the region of the second valve disc part and similarly in the region of the first valve disc part In effectively cool down valve body.Herein, active cooling can be utilized by flowing through the cooling medium of cavity, or by being filled The cavity of cooling medium can utilize passive cooling.
Preferably, the first valve disc part and the second valve disc part are connected by welding in a fixed manner.Particularly preferred two Individual valve disc part is connected by the metallurgy of welding.
It is defined according to the gas exchange valve of the present invention and is wanted according to the internal combustion engine of the present invention in right in claims 9 It is defined in asking 10.
The preferable further improvement of the present invention is obtained according to dependent claims and following description.By accompanying drawing more The one exemplary embodiment of the present invention, and not limited to this is explained in detail.
Brief description of the drawings
It is shown below：
Fig. 1 is the valve body in the region of the gas exchange valve according to the present invention or in the gas exchange valve according to the present invention Part is won according to internal combustion engine of the invention in region.
List of reference characters
10 gas exchange valves
11 valve bodies
12 valve seats
13 valve disc parts
14 valve rods
15 valve disc parts
16 combustion chambers
17 cavitys
18 connecting portions
19 charging apertures
20 outlets
21 regions.
Embodiment
The present invention relates to the valve body of the gas exchange valve for internal combustion engine, is related to the gas exchanges with this valve body Valve is simultaneously related to the internal combustion engine with this gas exchange valve.
Fig. 1 shows the internal combustion engine in the region of the valve seat 12 to be interacted in the region of valve body 11 and with valve body 11 The gas exchange valve 10 of cylinder win part.
In the case of the gas exchange valve 10 of closing, valve body 11 is resisted against on valve seat 12, and the gas in opening is handed over In the case of changing valve 10, valve body 11 does not contact with valve seat 12, but is removed or is promoted to leave valve seat 12 from valve seat 12.
Valve body 11 is formed as multiple parts.Therefore, valve body 11 includes the first valve disc part 13, and it is connected to valve rod 14 Above and it interacts with valve seat 12.Therefore, in the case of the gas exchange valve 10 of closing, the sidepiece of the first valve disc part 13 Region 21 is resisted against on valve seat 12.
In addition to interacting with valve seat 12 and being connected to the first valve disc part 13 on valve rod 14, valve body 11 wraps The second valve disc part 15 is included, it is towards the combustion chamber 16 of the cylinder of internal combustion engine.In the first valve disc part 13 and the second valve disc part Cavity 17 is formed between 15, it is at least used to cool down the second valve disc part 15 and is also used for cooling down the first valve disc part 13.
All each free metal material of both first valve disc part 13 and the second valve disc part 15 is formed.Therefore, the first valve disc The metal material of part 13 is with the first corrosion resistance and the material of the second valve disc part 15 is with than the first valve disc part 13 The second higher or stronger corrosion resistance of first corrosion resistance of metal.
First valve disc part 13 is preferentially by valve cone steel making.Second valve disc part 15 is preferentially formed by Nickel-Based Steel.
The two valve disc parts 13 and 15 for encapsulating cavity 17 are preferentially connected to each other by welding, and wherein Fig. 1 is shown at two The solder joint 18 in join domain between valve disc part 13,15.Preferred weld metal valve disk component 13,15 is to ensure Lasting connection between two valve disc parts.
As already explained, cavity 17 is used for cooling down valve body 11, preferential to be used for cooling down both valve disc parts 13,15, Especially cool down the second valve disc part 15 towards the combustion chamber 16 of cylinder.
In Fig. 1, cooling medium is flowed by cavity 17, wherein supplying the cooling medium in cavity 17 via charging aperture 19 And via outlet 20 from cavity 17 discharge cavity 17 in cooling medium.Charging aperture 19 and outlet 20 penetrate the first valve disc portion Part 13 and valve rod 14.Particularly water, oil or even air be used as flow through valve body 11 cavity 17 cooling medium.
The alternative of this actively controllable cooling by cavity 17 is flowed as cooling medium, passive cooling is also can Capable, i.e. wherein cavity 17 is filled cooling medium, such as is filled ceramic material or metal foam or fluid.By using gold Belong to foam or ceramic material filling cavity 17, can compensate or reduce valve body 10 by the different heat expansion coefficient of independent material Distortion so that the valve body 10 is not subjected to any distortion during the operation throughout its whole temperature range.
Using the present invention, the pressure and temperature being ultimately present in the combustion chamber 16 of cylinder can be raised, because due to this hair The reason for bright, the valve body 11 of gas exchange valve 10 can withstand this high capacity.It can be exposed according to the valve body 11 of the present invention Under higher mechanical load and heat load.
The entrance side gas for filling air had both been can operate with the cylinder of internal combustion engine according to the valve body 11 of the present invention Body crossover valve also can operate with the waste side gas exchange valve for discharge gas.Particularly preferably, apply to run with heavy fuel oil Internal combustion engine, such as the internal combustion engine of ship, because the deposition here on valve body 11 is formed or the risk of corrosion is especially high.

Claims (10)

1. a kind of valve body (11) of the gas exchange valve (10) of cylinder for internal combustion engine, wherein, in order to close the gas Crossover valve, the valve body (11) can be made to be resisted against on the valve seat (12) of the gas exchange valve, and wherein, it is described in order to open Gas exchange valve, the valve body (11) can be removed from the valve seat (12) of the gas exchange valve, it is characterised in that institute State valve body (11) and be formed as multiple parts and the first valve disc part (13) including being interacted with the valve seat (12) and Two valve disc parts (15), the second valve disc part (15) are connected in a fixed manner on the first valve disc part (13) simultaneously Towards the combustion chamber (16) of the cylinder, wherein between the first valve disc part (13) and the second valve disc part (15) Formed and be at least used for the cavity (17) for cooling down the second valve disc part (15).
2. valve body according to claim 1, it is characterised in that the first valve disc part (13) is by with the first corrosion resistant The metal material of corrosion is formed and the second valve disc part (15) is formed by the metal material with the second corrosion resistance, with institute State the first corrosion resistance to compare, second corrosion resistance is higher.
3. valve body according to claim 2, it is characterised in that the first valve disc part (13) formed by valve cone steel and The second valve disc part (15) is formed by Nickel-Based Steel.
4. according to the valve body described in any one of claim 1-3, it is characterised in that cooling medium is flowed by the sky Chamber (17).
5. valve body according to claim 4, it is characterised in that the first valve disc part (13) is included for described cold But the charging aperture (19) and outlet (20) of medium.
6. according to the valve body described in any one of claim 1-3, it is characterised in that the cavity (17) is filled cooling Medium.
7. valve body according to claim 6, it is characterised in that the cavity (17) is filled metal foam or ceramic material Material.
8. according to the valve body described in any one of claim 1-7, it is characterised in that the first valve disc part (13) and The second valve disc part (15) is connected in a fixed manner by welding.
A kind of 9. gas exchange valve of internal combustion engine (10), with valve body (11) and with the valve seat for the valve body (11) (12), it is characterised in that the valve body (11) is formed according to any one of claim 1-8.
A kind of 10. internal combustion engine with least one cylinder, wherein each cylinder includes at least one entrance for being used to fill air Side gas exchange valve (10) and at least one waste side gas exchange valve (10) for discharge gas, it is characterised in that according to Claim 9 forms corresponding entrance side and/or waste side gas exchange valve (10).
CN201710851685.4A 2016-09-20 2017-09-20 Valve body, gas exchange valve and the internal combustion engine of gas exchange valve Pending CN107842406A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016117698.2A DE102016117698A1 (en) 2016-09-20 2016-09-20 Valve body of a gas exchange valve, gas exchange valve and internal combustion engine
DE102016117698.2 2016-09-20

Publications (1)

Publication Number Publication Date
CN107842406A true CN107842406A (en) 2018-03-27

Family

ID=61302194

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710851685.4A Pending CN107842406A (en) 2016-09-20 2017-09-20 Valve body, gas exchange valve and the internal combustion engine of gas exchange valve

Country Status (7)

Country Link
US (1) US10519843B2 (en)
JP (1) JP2018048634A (en)
KR (1) KR20180031592A (en)
CN (1) CN107842406A (en)
DE (1) DE102016117698A1 (en)
FI (1) FI20175771A (en)
FR (1) FR3056253B1 (en)

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US3871339A (en) * 1971-10-27 1975-03-18 Semt Method of making a cooled valve for heat engine and valve obtained thereby
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WO2014147759A1 (en) * 2013-03-19 2014-09-25 日鍛バルブ株式会社 Hollow poppet valve
CN104234773A (en) * 2013-06-11 2014-12-24 马勒国际有限公司 Gas exchange valve
KR101610112B1 (en) * 2014-10-17 2016-04-08 현대자동차 주식회사 Hollow valve for intake and exhaust of engine
CN205154286U (en) * 2015-11-10 2016-04-13 重庆奇甫机械有限责任公司 Two -chamber is towards sodium valve with combustion chamber
CN205503209U (en) * 2015-10-30 2016-08-24 重庆奇甫机械有限责任公司 Automatically cleaning formula is towards sodium valve with branch fluid channel

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Publication number Priority date Publication date Assignee Title
US2407561A (en) * 1943-05-06 1946-09-10 Allegheny Ludlum Steel Hollow valve for internalcombustion engines
US3871339A (en) * 1971-10-27 1975-03-18 Semt Method of making a cooled valve for heat engine and valve obtained thereby
CN101086213A (en) * 2006-06-06 2007-12-12 新确有限公司 Valve structure for internal combustion
WO2014147759A1 (en) * 2013-03-19 2014-09-25 日鍛バルブ株式会社 Hollow poppet valve
CN104234773A (en) * 2013-06-11 2014-12-24 马勒国际有限公司 Gas exchange valve
KR101610112B1 (en) * 2014-10-17 2016-04-08 현대자동차 주식회사 Hollow valve for intake and exhaust of engine
CN205503209U (en) * 2015-10-30 2016-08-24 重庆奇甫机械有限责任公司 Automatically cleaning formula is towards sodium valve with branch fluid channel
CN205154286U (en) * 2015-11-10 2016-04-13 重庆奇甫机械有限责任公司 Two -chamber is towards sodium valve with combustion chamber

Also Published As

Publication number Publication date
US10519843B2 (en) 2019-12-31
DE102016117698A1 (en) 2018-03-22
FR3056253B1 (en) 2020-12-04
FI20175771A (en) 2018-03-21
JP2018048634A (en) 2018-03-29
FR3056253A1 (en) 2018-03-23
KR20180031592A (en) 2018-03-28
US20180080365A1 (en) 2018-03-22

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Address after: Augsburg

Applicant after: Mann Energy Solutions Ltd.

Address before: Augsburg

Applicant before: Man Diesel & Turbo SE

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